Home / 40,747,643.25-61,123,357.31-13,082,689.66

Finding the Fourth Proportional to 40,747,643.25, 61,123,357.31 and 13,082,689.66

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Solution

The fourth proportional to 40,747,643.25, 61,123,357.31 and 13,082,689.66 is: 19,624,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747,643.25 : 61,123,357.31 = 13,082,689.66 : x
  2. Step 2: Convert to fraction form
    40,747,643.25/61,123,357.31 = 13,082,689.66/x
  3. Step 3: Cross multiply
    40,747,643.25x = 61,123,357.31 × 13,082,689.66
  4. Step 4: Simplify right side
    40,747,643.25x = 799,657,914,664,022.50
  5. Step 5: Solve for x
    x = 799,657,914,664,022.50/40,747,643.25
  6. Step 6: Final answer
    x = 19,624,642.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.